EP 0501793 B1 19970618 - Tone image forming apparatus
Title (en)
Tone image forming apparatus
Title (de)
Bilderzeugungsgerät mit verschiedenen Tönen
Title (fr)
Appareil de formation d'images à plusieurs tons
Publication
Application
Priority
- JP 5548291 A 19910228
- JP 15314691 A 19910625
Abstract (en)
[origin: EP0501793A2] An image forming apparatus capable of forming a tone image including an image bearing member; electrically independent plural electrodes; a rotatable magnetic field generator having plural magnetic poles to supply magnetic toner particles to between the image bearing member and the recording electrodes; a detector for detecting the positions of the magnetic poles of the magnetic field generator; a controller, responsive to an output of the detector, for controlling application timing of a voltage on the recording electrodes. <IMAGE>
IPC 1-7
IPC 8 full level
G03G 15/34 (2006.01)
CPC (source: EP US)
G03G 15/348 (2013.01 - EP US); G03G 2217/0016 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0501793 A2 19920902; EP 0501793 A3 19930728; EP 0501793 B1 19970618; DE 69220395 D1 19970724; DE 69220395 T2 19971106; US 5444470 A 19950822
DOCDB simple family (application)
EP 92301647 A 19920227; DE 69220395 T 19920227; US 31682794 A 19941003